diff --git a/src/main/java/click/kamil/springstatemachineexporter/ast/in/AstFileFinder.java b/src/main/java/click/kamil/springstatemachineexporter/ast/in/AstFileFinder.java
index 5a83136..f22bea0 100644
--- a/src/main/java/click/kamil/springstatemachineexporter/ast/in/AstFileFinder.java
+++ b/src/main/java/click/kamil/springstatemachineexporter/ast/in/AstFileFinder.java
@@ -21,6 +21,7 @@ public class AstFileFinder {
         cu.accept(new ASTVisitor() {
             @Override
             public boolean visit(TypeDeclaration node) {
+                // skip interfaces
                 if (node.isInterface()) return true;
                 for (Object modifier : node.modifiers()) {
                     if (modifier instanceof Annotation annotation &&